“You can’t vaccinate 50 million people every 4 months.” This is the opinion of Professor Andrea Crisanti who, at Eight and a half, thus expresses himself on the efficacy of current vaccines against covid, focusing in particular on mRna vaccines. “If today we had a vaccine capable of inducing an immunity of 2-3 years, today we would not be in this situation. The priority is to produce vaccines that are more durable and affordable even for low-middle-income countries. I don’t think the solution is. the problem may come from the mRna vaccine that Pfizer or Moderna will produce for the Omicron variant “, says the expert. “The problem is structural, it is related to the formulation of these vaccines that induce immunity of 4-5 months. You cannot vaccinate 50 million people every 4 months. We also update the vaccine, it is a tactical choice, but from the point of view of From a strategic point of view, we need to think of structurally different vaccines. The vaccine against hepatitis B lasts 20 years “, highlights Crisanti.” This vaccine, compared to others, is objectively not among the best. It is the only one we have against covid, it protects us and we have to. But in the long run I see problems in the strategy based on this one type of vaccine, “he says again.
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